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| TROUBLE SHOOTING |
PROBLEM |
| POSSIBLE CAUSES |
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Engine won’t start |
| 1. Blade switch on. |
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| 2. Drive levers not in the neutral slots. |
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| 3. Operator not in seat. |
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| 4. Park brake disengaged. |
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| 5. Dead battery or cable off. |
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| ....(Ignition switch left on) |
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| 6. Fuel valve closed or in the wrong position. |
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| 7. No fuel. |
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| 8. Spark plug wires off. |
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| 9. Bad spark plugs. |
Mower will not move |
| 1. Park brake on. |
or moves slowly or hard |
| 2. Pump bypass valves open. |
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| 3. Pump drive belt loose or off. |
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| 4. Hydraulic system failure. |
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| 5. Air in the hydraulic system. |
Blades won’t engage |
| 1. Blade belt off of pulleys or mule drive belt off. |
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| 2. Clutch unhooked from harness. |
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| ...(wire ties need to allow room for clutch movement) |
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| 3. Blade switch failure. |
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| 4. Fuse burnt out. |
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Uneven cut |
| 1. Deck not level. |
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| 2. Tire pressure uneven. (15 psi all tires) |
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| 3. Blades bent (check tip to tip one blade thickness) |
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| 4. Air foil of blade worn or bent. |
Cut is ragged |
| 1. Blades dull. |
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| 2. Ground speed too fast. |
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| 3. Grass accumulation under deck. |
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Mower moves when |
| 1. Motion control linkage out of adjustment. |
in neutral position |
| 2. Pump arms loose or out of adjustment. |
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| 3. Park brake adjustment, brake pad worn, |
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| or brake mounting hardware loose. |
Mower pulls left or right |
| 1. Tire pressure uneven. |
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| 2. Motion control linkage adjustment. |
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| 3. Soft terrian. |
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| 4. Slope too steep. |
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When a problem occurs, do not overlook the simple causes.
For example, no fuel or battery disconnected when the engine will not start.
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